Neargye/magic_enum

Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum

C++ Fixed Containers

a compile-time, header-only, dimensional analysis and unit conversion library built on c++14 with no dependencies.

Functional Programming Library for C++. Write concise and readable C++ code.

std::tuple like methods for user defined types without any macro or boilerplate code

A curated list of awesome header-only C++ libraries

🧰 Case paths extends the key path hierarchy to enum cases.

span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library

A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]